47047177 has 12 divisors (see below), whose sum is σ = 50319756. Its totient is φ = 43976960.

The previous prime is 47047163. The next prime is 47047183. The reversal of 47047177 is 77174074.

It can be written as a sum of positive squares in 6 ways, for example, as 14830201 + 32216976 = 3851^2 + 5676^2 .

It is a de Polignac number, because none of the positive numbers 2^k-47047177 is a prime.

It is a Duffinian number.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (47047157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49527 + ... + 50467.

It is an arithmetic number, because the mean of its divisors is an integer number (4193313).

Almost surely, 2^47047177 is an apocalyptic number.

It is an amenable number.

47047177 is a deficient number, since it is larger than the sum of its proper divisors (3272579).

47047177 is a wasteful number, since it uses less digits than its factorization.

47047177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 47047177 is about 6859.0944737626. The cubic root of 47047177 is about 361.0033148613.

It can be divided in two parts, 4704 and 7177, that added together give a square (11881 = 109²).

The spelling of 47047177 in words is "forty-seven million, forty-seven thousand, one hundred seventy-seven".